In contemporary databases, the top level of the hierarchy consists of              each of which can contain            

Related MCQs

• The highest level in the hierarchy of data organization is called
• The highest level in the hierarchy of data organization is called
• Which of the following is not a relational algebraic operation that is developed specifically for the relational databases?
• …………… database is used as template for all databases created.
• What is the main limitation of Hierarchical Databases?
• A                on the attribute A of relation r consists of one bitmap for each value that A can take.
• Which view that contains more than one table in the top-level FROM clause of the SELECT statement:
• Each tablespace in an Oracle database consists of one or more files called
• The database design that consists of multiple tables that are linked together through matching data stored in each table is called
• The database design that consists of multiple tables that are linked together through matching data stored in each table is called